1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.kernel.cluster.messaging;
24  
25  import com.liferay.portal.kernel.cluster.ClusterLinkUtil;
26  import com.liferay.portal.kernel.log.Log;
27  import com.liferay.portal.kernel.log.LogFactoryUtil;
28  import com.liferay.portal.kernel.messaging.Message;
29  import com.liferay.portal.kernel.messaging.MessageBusUtil;
30  import com.liferay.portal.kernel.util.Validator;
31  
32  /**
33   * <a href="ClusterForwardMessageListener.java.html"><b><i>View Source</i></b>
34   * </a>
35   *
36   * @author Shuyang Zhou
37   */
38  public class ClusterForwardMessageListener implements ClusterMessageListener {
39  
40      public void receive(Message message) {
41          String destinationName = message.getDestinationName();
42  
43          if (Validator.isNotNull(destinationName)) {
44              if (_log.isInfoEnabled()) {
45                  _log.info(
46                      "Forwarding cluster link message " + message + " to " +
47                          destinationName);
48              }
49  
50              ClusterLinkUtil.setForwardMessage(message);
51  
52              MessageBusUtil.sendMessage(destinationName, message);
53          }
54          else {
55              if (_log.isErrorEnabled()) {
56                  _log.error(
57                      "Forwarded cluster link message has no destination " +
58                          message);
59              }
60          }
61      }
62  
63      private static Log _log =
64          LogFactoryUtil.getLog(ClusterForwardMessageListener.class);
65  
66  }